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Kirsten Hillman

Kirsten Hillman is a Canadian lawyer and diplomat who served as Canada’s ambassador to the United States from 2020 to 2026, after first serving as acting ambassador in 2019.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Kirsten Hillman is a Canadian lawyer and diplomat who served as Canada’s ambassador to the United States from 2020 to 2026, after first serving as acting ambassador in 2019. She was the first woman to hold the post and previously worked on Canada’s trade policy and major international negotiations.

Early life and education

Hillman is described in available sources as Winnipeg-born and as having studied at the University of Manitoba and McGill University. Source material also notes that she practised law before entering senior public service roles.

Career in trade and diplomacy

Before becoming ambassador, Hillman worked in Canada’s trade- and negotiations-related roles, including as assistant deputy minister for trade agreements and negotiations and as chief negotiator for the Trans-Pacific Partnership. She also held diplomatic and legal posts in Washington and Geneva.

Ambassador to the United States

Hillman became acting ambassador in 2019 and was formally appointed ambassador in 2020. She served during a period that included trade tensions, the COVID-19 pandemic, and bilateral cooperation on Canada–U.S. relations.

Public profile and later career

Hillman was widely noted as the first woman in the post and as a senior Canadian trade and foreign-policy official. By 2026, sources reported that she had stepped down and taken on a fellowship at the University of Toronto’s Munk School of Global Affairs and Public Policy.

Key facts

  • Hillman was appointed Canada’s ambassador to the United States in March 2020 after serving as acting ambassador from 2019.
  • She was the first woman to hold the post of Canadian ambassador to the United States.
  • Before her ambassadorial appointment, she served as deputy ambassador in Washington, D.C., from 2017 to 2019.
  • She held senior trade-policy roles in the Government of Canada, including assistant deputy minister for trade agreements and negotiations.
  • She was Canada’s chief negotiator for the Comprehensive and Progressive Agreement for Trans-Pacific Partnership.
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Canadian context

Hillman is directly relevant to Canada as a senior public servant and diplomat who represented Canada in its most important bilateral relationship with the United States, while also shaping major Canadian trade policy and negotiations.

Frequently asked questions

Who is Kirsten Hillman?
She is a Canadian lawyer and diplomat best known for serving as Canada’s ambassador to the United States from 2020 to 2026.
Was Kirsten Hillman the first woman ambassador to the United States for Canada?
Yes. Multiple sources identify her as the first woman to hold that post.
What did Kirsten Hillman do before becoming ambassador?
She served as deputy ambassador and acting ambassador in Washington and previously held senior trade-policy roles in Global Affairs Canada.
What major trade negotiations was she involved in?
She was Canada’s chief negotiator for the Trans-Pacific Partnership and played a leading role in negotiations for the Canada-United States-Mexico Agreement.
When did Kirsten Hillman stop being ambassador?
A December 2025 report said she would step down in 2026, and later sources describe her as a former ambassador.
Where did Kirsten Hillman study?
Available sources say she studied at the University of Manitoba and McGill University.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Kirsten_Hillman
    Supports: Ambassadorial tenure, first woman in the role, acting ambassador appointment, and reported 2026 departure.
  2. Global Affairs Canadahttps://www.international.gc.ca/gac-amc/podcasts-transcript-balados-transcription-ep55.aspx?lang=eng
    Supports: Appointment as ambassador, role as first woman in the post, and senior trade-negotiation responsibilities.
  3. Office of the Prime Minister of Canadahttps://www.pm.gc.ca/en/news/news-releases/2020/03/26/prime-minister-announces-canadas-ambassador-united-states
    Supports: Formal appointment as Canada’s ambassador to the United States and prior acting ambassador role.
  4. United States Energy Associationhttps://usea.org/profile/kirsten-hillman
    Supports: Biography including deputy ambassador role, trade-policy background, and education.
  5. Public Policy Forumhttps://ppforum.ca/ppf-media/kirsten-hillman-2026-testimonial-dinner-award-honouree/
    Supports: 2017 Washington posting, appointment as ambassador, role in NAFTA/USMCA-related work, and later fellowship.
  6. LinkedInhttps://www.linkedin.com/in/kirsten-hillman-01114910a
    Supports: Employment timeline, ambassadorial dates, and current fellowship role.